The threshold stimulus is the
A) minimum strength of stimulus required to cause muscle fiber contraction to occur.
B) maximal amount of force a muscle can exert.
C) amount of oxygen a muscle needs for repeated contractions.
D) minimal amount of force a muscle can exert.
E) maximal amount of stimulation a muscle can withstand.

Question

Quizplus · Accepted Answer

The threshold stimulus is the minimum strength of stimulus required to cause muscle fiber contraction to occur. This means that any stimulus below the threshold will not be enough to cause the muscle to contract, but once the threshold is reached, the muscle will contract.

The Threshold Stimulus Is the